Definition: to remove dirt from something Level: A1
我今天早上要去擦窗户。
I'm going to ___clean the windows this morning.
你应该清洗那个擦伤，以免感染。
You should ___clean that scrape so it doesn't get infected.
他请她帮忙清理橱柜。
He asked her to help him ___clean out the cupboards.
